Lexington, MA Weather Forecast
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Lexington Weather Forecast
| TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | COLUMBUS DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
| Mostly Clear | Sunny | Clear | Sunny | Partly Cloudy | Partly Sunny | Showers | Showers | Partly Cloudy | Chance of Showers | Chance of Showers | Partly Cloudy |
| Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C | Lo: 41°FLo: 5°C | Hi: 65°FHi: 18°C | Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 60°FHi: 16°C Lo: 45°FLo: 7°C |
| POP: 70% | POP: 70% | POP: 30% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 402 PM EDT Thu Oct 08 2026 

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Issued: 142 PM EDT Thu Oct 8 2026
Key Messages
- Mostly clear to partly cloudy through Friday night, with westerly afternoon breezes in the 20 to 30 mph range. Frost possible Friday night.
- Sunny and dry for Saturday with light winds.
- Rain is increasingly likely Sunday afternoon into Columbus Day as remnant tropical moisture moves into southern New England. A soaking rain is possible, especially near the south coast, before conditions improve later Monday. Additional showers Tuesday, then cooler Wednesday.
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